Note: Javascript is disabled or is not supported by your browser. For this reason, some items on this page will be unavailable. For more information about this message, please visit this page: About CDC.gov.

This outbreak appears to be over. However, E. coli is still an important cause of human illness in the United States. More information about E. coli, and steps people can take to reduce their risk of infection, can be found on the CDC E. coli Web Page.

Current Case Count Map

Persons infected with the outbreak strains of E. coli O157:H7, by state*

*n=12 for whom information was reported as of June 16, 2014

A total of 12 persons infected with the outbreak strain of E. coli O157:H7 were reported from 4 states. The number of ill persons reported from each state was as follows: Massachusetts (1), Michigan (5), Missouri (1), and Ohio (5).

Previous Case Count Map

May 19, 2014

Persons infected with the outbreak strains of E. coli O157:H7, by state*

*n=11 for whom information was reported as of May 16, 2014

A total of 11 persons infected with the outbreak strains of E. coli O157:H7 have been reported from 4 states. The number of ill persons reported from each state is as follows: Massachusetts (1), Michigan (5), Missouri (1), and Ohio (4).